The invention belongs to the technical field of vehicle control, and discloses a vehicle braking noise reduction method, device and equipment and a storage medium. The method comprises the steps that when a vehicle enters a braking state, the current vehicle speed is obtained, when the current vehicle speed reaches a mode switching speed, the current rotating speed of a generator is obtained, the target negative torque of the generator is obtained according to the current rotating speed of the generator, and the torque of the generator is adjusted to be the target negative torque. Whether the driving mode of the vehicle is changed or not is judged according to the vehicle speed, then the current rotating speed of the generator is directly obtained, the rotating speed of the engine is slowly decreased according to the negative torque corresponding to the rotating speed of the generator, and therefore the engine is stably unloaded. Therefore, the impact between the engine and the fixing piece is reduced, and the purpose of reducing the NVH in the switching process is achieved.
本发明属于车辆控制技术领域,公开了一种车辆制动降噪方法、装置、设备及存储介质。本发明通过对在车辆进入制动状态时,获取当前车速,在所述当前车速达到模式切换速度时,获取当前发电机转速,根据所述当前发电机转速得到发电机的目标负扭矩,将所述发电机的扭矩调整为所述目标负扭矩,以使所述发动机处于空载状态,达到了通过对车速来判断车辆的驱动模式是否发生改变,进而直接获取到发电机当前转速,通过对发电机与发电机转速相对应的负扭矩,来使发动机的转速缓慢下降,从而使发动机平稳地卸载,使发动机与固定件之间的冲击减小,进而达到了降低切换过程中的NVH的目的。
Vehicle braking noise reduction method, device and equipment and storage medium
车辆制动降噪方法、装置、设备及存储介质
2023-01-03
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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